16987704 has 32 divisors (see below), whose sum is σ = 42696720. Its totient is φ = 5632256.

The previous prime is 16987703. The next prime is 16987717. The reversal of 16987704 is 40778961.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16987703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2932 + ... + 6524.

Almost surely, 2^16987704 is an apocalyptic number.

It is an amenable number.

16987704 is an abundant number, since it is smaller than the sum of its proper divisors (25709016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16987704 is a wasteful number, since it uses less digits than its factorization.

16987704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799 (or 3795 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 16987704 is about 4121.6142468698. The cubic root of 16987704 is about 257.0661510184.

The spelling of 16987704 in words is "sixteen million, nine hundred eighty-seven thousand, seven hundred four".